CN114904371A - Membrane jar VOCs collection device and use its spraying room - Google Patents
Membrane jar VOCs collection device and use its spraying room Download PDFInfo
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- CN114904371A CN114904371A CN202210590862.9A CN202210590862A CN114904371A CN 114904371 A CN114904371 A CN 114904371A CN 202210590862 A CN202210590862 A CN 202210590862A CN 114904371 A CN114904371 A CN 114904371A
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/46—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/116—Molecular sieves other than zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to the technical field of waste gas treatment equipment, and particularly relates to a membrane cylinder VOCs (volatile organic compounds) collecting device and a spraying room using the same, which comprise a gas guide component, membrane cylinder components which are connected to the gas guide component in pairs and used for separating VOCs from waste gas, a storage component connected with one end of each membrane cylinder component through a gas guide pipe, a transfer component which is installed on the membrane cylinder components and used for transferring VOCs inside the membrane cylinder components to the storage component, and a control component which is used for controlling each membrane cylinder component to be intermittently communicated with the gas guide component or the storage component so as to realize that the paired membrane cylinder components alternately filter and transfer VOCs, wherein the membrane cylinder components are used for separating VOCs from waste gas and retaining the VOCs inside, and then the transfer component is used for transferring the retained VOCs into the storage component for centralized storage; be convenient for control membrane cylinder subassembly through setting up control assembly to carry out VOCs's filtration with membrane cylinder subassembly intermittent type and air guide subassembly switch-on, perhaps carry out VOCs's transfer.
Description
Technical Field
The invention belongs to the technical field of waste gas treatment equipment, and particularly relates to a membrane cylinder VOCs (volatile organic compounds) collecting device and a spraying room using the same.
Background
At present, volatile organic pollutants, namely VOCs, are a general term for volatile organic compounds with melting points lower than room temperature and boiling points between 50 ℃ and 260 ℃, mainly comprise hydrocarbons, halogenated hydrocarbons, nitrogen hydrocarbons, polycyclic aromatic hydrocarbons with low boiling points and the like, the VOCs are widely present in air, soil, water and the like, are various in types and serious in harm, damage the respiratory tract and immune system of a human body, cause respiratory tract infection of the human body, decrease of the immune system and the like, and can cause three-induced effects (carcinogenesis, teratogenesis, mutagenesis) in addition; moreover, most VOCs can cause photochemical smog to generate, secondary pollution is formed, and the human body and the environment are threatened and damaged; at present, a molecular sieve adsorption process is adopted in the field of waste gas VOCs treatment to become a mainstream technology, an adsorption molecular sieve element is made of porous materials such as zeolite, activated carbon, resin, silica gel and the like, is used for adsorbing VOCs-containing gas or water vapor with different components, is loaded in a rotary wheel type or rotary drum type adsorption machine, and realizes continuous adsorption and desorption of VOCs components or water vapor components in waste gas, and the molecular sieve element needs to be regenerated periodically to remove impurities retained in the molecular sieve element and recover the adsorption function of the molecular sieve element.
The Chinese patent discloses a variable-frequency VOCs activated carbon adsorption rotary drum device, which comprises a rotary drum installation box, a bearing installation base, a driving piece bearing box, a gas release box, a molecular sieve rotary drum, a gas inlet pipe, a pretreatment filter plate, a control panel, a molecular sieve simple cleaning component, a bottom transmission component, a waste gas guide component, a gas cooling component and a gas heating component, wherein the bearing installation base is arranged on the lower wall of the rotary drum installation box, the driving piece bearing box is arranged on the side wall of the rotary drum installation box and is connected with the bearing installation base, the gas release box is arranged on the upper wall of the rotary drum installation box, the molecular sieve rotary drum is arranged in the rotary drum installation box, the gas inlet pipe is arranged on the side wall of the rotary drum installation box, but the existing molecular sieve element needs to be regenerated periodically when in use, and the molecular sieve particle shape is easy to collapse, so that the molecular sieve has higher cost and higher energy consumption, the durability is low and the use requirement cannot be met.
Disclosure of Invention
The invention aims to provide a membrane cylinder VOCs (volatile organic compounds) collecting device, and aims to solve the problems that the existing VOCs collecting device is high in collecting cost, high in energy consumption, low in durability and incapable of meeting use requirements.
The invention is realized in such a way that the membrane cylinder VOCs collecting device comprises an air guide assembly, membrane cylinder assemblies which are connected in pairs with the air guide assembly and are used for separating VOCs in waste gas, a storage assembly which is connected with one end of each membrane cylinder assembly through an air guide pipe, a transfer assembly which is arranged on each membrane cylinder assembly and is used for transferring the VOCs inside the membrane cylinder assembly to the storage assembly, and a control assembly which is used for controlling each membrane cylinder assembly to be intermittently communicated with the air guide assembly or the storage assembly so as to realize that the paired membrane cylinder assemblies alternately perform filtration and transfer of the VOCs.
According to the membrane cylinder VOCs collecting device, the membrane cylinder assembly is used for conveniently separating VOCs in waste gas and keeping the VOCs in the waste gas, and then the transfer assembly is used for transferring the left VOCs to the inside of the storage assembly for centralized storage; be convenient for control membrane cylinder subassembly through setting up control assembly, thereby carry out VOCs's filtration with membrane cylinder subassembly intermittent type and air guide subassembly switch-on, perhaps carry out VOCs's transfer with membrane cylinder subassembly and storage subassembly switch-on, thereby the membrane cylinder subassembly that sets up in pairs can filter in turn and the action that shifts, two sets of or multiunit membrane cylinder subassembly linkage work can let the VOCs who filters out go in continuously shifting to the storage subassembly through the transfer subassembly, and then VOCs's separation efficiency has been promoted, molecular sieve desorption process is not adopted simultaneously, therefore the energy consumption of exhaust-gas treatment process is lower, membrane cylinder subassembly's consumptive material cost is lower, the durability is stronger, be fit for carrying out the processing of waste gas for a long time, accord with environmental protection and emission requirement.
Preferably, the membrane cylinder subassembly including set up a plurality of microporous filter pieces, install respectively in filter piece outside and inboard outer cylinder body and inner cylinder body and cover are located the closing cap at outer cylinder body both ends, the air duct links to each other with the closing cap of outer cylinder body one end, a plurality of bleeder vents have all been seted up to outer cylinder body and inner cylinder body, the diameter of bleeder vent is greater than the diameter of VOCs molecule, microporous diameter is greater than the diameter of air molecule diameter and is less than the diameter of VOCs molecule.
Preferably, the outer cylinder and the inner cylinder are both provided in a cylindrical structure, and the membrane cylinder assembly is provided in a cylindrical shape.
Preferably, the transfer assembly comprises a transfer member slidably mounted inside the inner cylinder and a driving member connected to a top of the transfer member and configured to drive the transfer member to move axially along the inner cylinder.
Preferably, the air guide assembly comprises an air guide member and an exhaust gas pipe connected with the air guide member, and one end of the exhaust gas pipe, which is far away from the air guide member, is connected inside the inner cylinder body in a penetrating manner.
Preferably, the storage assembly comprises: the membrane cylinder assembly is connected with a first air storage tank of a sealing cover at one end of the membrane cylinder assembly through an air duct, a compression piece connected with the first air storage tank and a second air storage tank communicated with the compression piece.
Preferably, the control assembly comprises a first control valve mounted on the exhaust pipe and a second control valve mounted on an air duct between the sealing cover and the first air storage tank.
The invention also aims to provide a spraying room using the VOCs collecting device, and aims to solve the problems that the existing spraying room cannot effectively recycle waste gas, cannot effectively utilize heat of combustible components in the waste gas, is easy to pollute the atmosphere and cause energy waste.
The invention is realized in such a way that a spray booth comprises a spray booth, a membrane cylinder chamber which is communicated with the spray booth in an air flow way and is used for installing a membrane cylinder VOCs collecting device, and a combustion assembly which is connected with a storage assembly and is communicated with the spray booth.
Preferably, the combustion assembly includes a combustion member connected to the storage assembly by a conduit, a fuel tank connected to the combustion member, and a heat conduction member connected to the combustion member and communicating with the spray booth.
Preferably, the spraying room further comprises an electric control system arranged in the membrane cylinder chamber, an exhaust flue arranged at the top of the membrane cylinder chamber and an air inlet fan communicated with the top of the spraying room, and the membrane cylinder assemblies are provided with a plurality of groups.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a membrane cylinder VOCs collecting device, which comprises: the waste gas in the environment is led into the device conveniently by arranging the gas guide assembly and then collected, VOCs in the waste gas are separated and retained in the device conveniently by using the membrane cylinder assembly, and then the retained VOCs are transferred into the storage assembly by using the transfer assembly for centralized storage; be convenient for control membrane cylinder subassembly through setting up control assembly, thereby carry out VOCs's filtration with membrane cylinder subassembly intermittent type and air guide subassembly switch-on, perhaps carry out VOCs's transfer with membrane cylinder subassembly and storage subassembly switch-on, thereby the membrane cylinder subassembly that sets up in pairs can filter in turn and the action that shifts, two sets of or multiunit membrane cylinder subassembly linkage work can let the VOCs who filters out to pass through the transfer subassembly and continuously shift to the storage subassembly and go, and then VOCs's separation efficiency has been promoted, molecular sieve desorption process is not adopted simultaneously, therefore the energy consumption of exhaust-gas treatment process is lower, membrane cylinder subassembly's consumptive material cost is lower, the durability is stronger, be fit for carrying out the processing of waste gas for a long time, accord with environmental protection and emission requirement.
The invention relates to a spray room, which comprises: the VOCs collecting device is combined with the spraying room, so that VOCs generated in the spraying process can be collected and concentrated conveniently, air pollution is prevented, and harm to a human body is avoided; utilize the VOCs of storage in the storage subassembly simultaneously, be convenient for when the spraying operation need toast paint, VOCs in the storage subassembly passes through inside the pipeline carries combustion assembly, then utilizes combustion assembly to decompose the VOCs burning, and the heat is supplied with the spraying room and toasts paint, and then has realized carrying out effective utilization to combustible composition's in the waste gas heat, has also saved the energy when avoiding causing the pollution to the atmosphere, has promoted the environmental protection effect in spraying room, concrete stronger practicality.
Drawings
FIG. 1 is a schematic structural view of a membrane cylinder VOCs collection device provided by the present invention;
FIG. 2 is a perspective view of a membrane cylinder assembly of the membrane cylinder VOCs collecting device according to the present invention;
FIG. 3 is a top view of a membrane cylinder assembly of a membrane cylinder VOCs collection device provided by the present invention;
FIG. 4 is a schematic gas flow diagram of a VOCs collection device of a membrane cylinder according to the present invention;
FIG. 5 is a schematic structural diagram of a membrane cylinder VOCs collecting device provided by the present invention with a plurality of membrane cylinder assemblies;
fig. 6 is a schematic structural diagram of a spray booth provided by the present invention.
In the drawings: the device comprises a gas guide assembly 1, a gas guide assembly 11, a waste gas pipe 12, a membrane cylinder assembly 2, a filter element 21, an outer cylinder 22, an inner cylinder 23, a storage assembly 3, a first gas storage tank 31, a compression assembly 32, a second gas storage tank 33, a transfer assembly 4, a transfer assembly 41, a driving element 42, a control assembly 5, a first control valve 51, a second control valve 52, a paint spray chamber 6, a membrane cylinder chamber 7, a combustion assembly 8, a combustion assembly 81, a fuel tank 82, a heat conducting element 83, an electronic control system 9 and an exhaust flue 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example 1
Fig. 1-5 show an embodiment of the membrane cylinder VOCs collecting device of the present invention, which comprises an air guide assembly 1, membrane cylinder assemblies 2 connected to the air guide assembly 1 in pairs for separating VOCs in exhaust gas, a storage assembly 3 connected to one end of each membrane cylinder assembly 2 through an air guide tube, a transfer assembly 4 mounted on the membrane cylinder assemblies 2 for transferring VOCs inside the membrane cylinder assemblies 2 to the storage assembly 3, and a control assembly 5 for controlling each membrane cylinder assembly 2 to be intermittently communicated with the air guide assembly 1 or the storage assembly 3 to realize alternate filtering and transferring of VOCs by the membrane cylinder assemblies 2 in pairs.
In practical application, the air guide assembly 1 is arranged to guide waste gas in the environment into the device conveniently and then collect the waste gas, the membrane cylinder assembly 2 is used to separate and retain VOCs in the waste gas, and the transfer assembly 4 is used to transfer the retained VOCs into the storage assembly 3 for centralized storage; be convenient for control membrane cylinder subassembly 2 through setting up control assembly 5, thereby carry out the filtration of VOCs with membrane cylinder subassembly 2 intermittent type and the switch-on of air guide subassembly 1, perhaps carry out the transfer of VOCs with membrane cylinder subassembly 2 and the switch-on of storage subassembly 3, thereby membrane cylinder subassembly 2 that sets up in pairs can filter in turn and the action that shifts, two sets of or multiunit membrane cylinder subassembly 2 linkage work can let the VOCs who filters out go to storage subassembly 3 through shifting subassembly 4 continuously shifting, and then VOCs's separation efficiency has been promoted, molecular sieve desorption process is not adopted simultaneously, therefore the energy consumption of exhaust-gas treatment process is lower, membrane cylinder subassembly 2's consumptive material cost is lower, the durability is stronger, be fit for carrying out the processing of waste gas for a long time, accord with environmental protection and emission requirement.
Specifically speaking, membrane cylinder subassembly 2 including set up a plurality of micropores filter piece 21, install respectively in filter piece 21 outside and inboard outer cylinder body 22 and inner cylinder body 23 and the cover are located the closing cap at outer cylinder body 22 both ends, the air duct links to each other with the closing cap of outer cylinder body 22 one end, a plurality of bleeder vents have all been seted up to outer cylinder body 22 and inner cylinder body 23, are convenient for separate the VOCs in the waste gas through setting up membrane cylinder subassembly 2, utilize air guide subassembly 1 to let in inner cylinder body 23 inside with waste gas, waste gas keeps VOCs inside inner cylinder after filtering piece 21, then utilizes transfer subassembly 4 to transfer inside storage assembly 3, conveniently carries out subsequent centralized processing.
Further, the outer cylinder body 22 and the inner cylinder body 23 are both arranged to be cylindrical, the membrane cylinder assembly 2 is arranged to be cylindrical, the diameter of the air hole is larger than that of the VOCs molecules, and the diameter of the micropore is larger than that of the air molecules and smaller than that of the VOCs molecules.
It can be known that the arrangement of the 23-bit cylindrical structures of the outer cylinder body 22 and the inner cylinder body facilitates the filtration of the waste gas by using the cylindrical structures, so that gas with larger volume can enter simultaneously, and the filtration efficiency of the device is improved; the diameters of the air holes are larger than those of VOCs molecules, so that air and water vapor in the waste gas can permeate the air holes, organized air and water vapor emission can be performed by using external equipment, and primary separation of larger impurities in the waste gas can be facilitated; utilize the micropore to be convenient for pass through air molecule to avoid transfer module 4 to compress a part of air to storage component 3, and then leave the bigger VOCs of molecule diameter, in order to realize the concentrated collection of VOCs.
It should be noted that, as shown in fig. 2 and fig. 3, the filtering member 21 in this embodiment is disposed in a manner of being attached to the inner cylinder 23 and the outer cylinder 22, and of course, the filtering member 21 may also be disposed between the inner cylinder 23 and the outer cylinder 22 in a folded manner, so as to increase the surface area of the filtering member 21 and facilitate the separation effect of the lifting device.
Furthermore, the transferring assembly 4 comprises a transferring member 41 slidably mounted inside the inner cylinder 23 and a driving member 42 connected to a top of the transferring member 41 and used for driving the transferring member 41 to move axially along the inner cylinder 23.
What can learn, be convenient for the inside VOCs of membrane cylinder subassembly 2 through setting up transfer unit 4 and shift, utilize driving piece 42 to drive transfer 41 removes along the inner casing, thereby compress inside storage unit 3 with filtering 21 cooperation with VOCs, control module 5 and transfer unit 4 cooperation, thereby the membrane cylinder subassembly 2 that will set up in pairs carries out the filtration of waste gas respectively and VOCs's transfer work, and then keep always having the inside that VOCs can compress into storage unit 3, be favorable to promoting the treatment effeciency of waste gas.
It should be noted that, as shown in fig. 5, in the present apparatus, the membrane cylinder assemblies 2 are arranged in pairs, and may be arranged as two or more groups of membrane cylinder assemblies 2, the driving member 42 may drive the transferring member 41 inside the groups of membrane cylinder assemblies 2 to move so as to simultaneously perform transferring actions of multiple groups of VOCs, and cooperate with the control assembly 5 to perform filtering actions of multiple groups of VOCs, so that the VOCs may be continuously and massively separated from the exhaust gas and stored, and the separation efficiency of the apparatus is further improved, therefore, the number of membrane cylinder assemblies 2 may be selected as required, and this embodiment is not specifically limited herein.
For example, the filter element 21 may be a filtering membrane or a gas permeable membrane, and preferably may be a specially-made nano-scale microporous membrane, the diameter of the micropores is within 3 nm, so that air components with a molecular diameter smaller than 3 nm can pass through the membrane, while VOCs with a molecular diameter larger than 3 nm cannot pass through the membrane, although other filtering membranes with other sizes may be selected as needed, and the embodiment is not limited in this embodiment.
In one aspect of this embodiment, the driving member 42 may be a winch or a telescopic rod, and the transferring member 41 may be a piston or a sliding block slidably mounted inside the inner cylinder 23, so that in actual operation, one set of pistons is lifted, the exhaust gas passes through the membrane cylinder, and the VOCs with macromolecular structures are retained in the membrane cylinder; another group's piston compresses the VOCs in the membrane jar to storage assembly 3 in, and two sets of or multiunit piston linkage work can let waste gas continuously pass through equipment and let VOCs continuously compressed to storage assembly 3 in simultaneously.
Example 2
As shown in fig. 1 to 4, based on embodiment 1, the air guide assembly 1 includes an air guide 11 and an exhaust gas pipe 12 connected to the air guide 11, and an end of the exhaust gas pipe 12 away from the air guide 11 is threaded inside the inner cylinder 23.
This embodiment is in the time of practical application, is convenient for carry the inside of membrane cylinder subassembly 2 with waste gas through setting up air guide subassembly 1 and handles, connects inside membrane cylinder subassembly 2 through exhaust pipe 12 one end cross, is convenient for use waste gas earlier with internal cylinder body 23 back rethread filter piece 21, and then sees through air and vapor to prevent to shift subassembly 4 and bring unnecessary gas into in storage subassembly 3, and then promoted the reliability of device.
In particular, the storage assembly 3 comprises: connect through the air duct in the first gas holder 31 of 2 one end closing caps of diaphragm cylinder subassembly, with the compressor piece 32 that first gas holder 31 meets and communicate in the second gas holder 33 of compressor piece 32, be convenient for carry out preliminary storage to the VOCs that transfer assembly 4 comes through setting up first gas holder 31, then utilize the compressor piece 32 with it concentrated storage to the second storage tank inside, conveniently carry on follow-up can be through other equipment cooling liquefaction or burning decomposition processes.
Further, the control assembly 5 includes a first control valve 51 mounted on the exhaust pipe 12 and a second control valve 52 mounted on the air duct between the cover and the first air tank 31.
It can be known that, be convenient for control membrane cylinder assembly 2 and the exhaust gas pipe 12 of air guide subassembly 1 to communicate or close through first control valve 51, utilize second control valve 52 to be convenient for control membrane cylinder assembly 2 and first gas holder 31 intercommunication or close, and then realize that multiunit membrane cylinder assembly 2 carries out gaseous filtration and the recovery of VOCs in turn.
It should be noted that, when the membrane cylinder assemblies 2 are arranged into a plurality of groups, the air guide assembly 11 can be arranged into a plurality of groups as required, and the adapter tube is connected between the air guide tube and the air guide assembly 1, so that the adapter tube is utilized to concentrate air guide on each membrane cylinder assembly 2, thereby improving the supply efficiency of waste gas and ensuring the normal operation of the plurality of groups of membrane cylinder assemblies 2.
Illustratively, the air guide 11 may be a fan or a blower, and the outside may be connected to an exhaust gas source; the compression member 32 may be a compressor, such as a piston compressor or a screw compressor, to transfer VOCs from the interior of the first storage tank to the interior of the second storage tank; the first control valve 51 may be a butterfly valve, the second control valve 52 may be a ball valve, and of course, may also be a control electromagnetic control valve, or a control air path, as long as the control air path can control the control of the membrane cylinder assembly 2 to be respectively connected or closed with the air guide assembly 1 and the storage assembly 3, and this embodiment is not specifically limited herein.
Example 3
As shown in fig. 5 to 6, this embodiment is a painting booth using the VOCs collecting apparatus of embodiments 1 and 2, and includes a painting booth 6, a membrane cylinder chamber 7 in air flow communication with the painting booth 6 for installing the membrane cylinder VOCs collecting apparatus, and a burner assembly 8 connected to the storage assembly 3 and in communication with the painting booth 6.
In practical application, the VOCs collecting device is combined with the spraying room, so that VOCs generated in the spraying process are collected and concentrated conveniently, air pollution is prevented, and harm to a human body is avoided; utilize the VOCs of storage in the storage subassembly 3 simultaneously, be convenient for when the spraying operation need toast paint, VOCs in the storage subassembly 3 passes through inside the pipeline carries combustion assembly 8, then utilize combustion assembly 8 to decompose the VOCs burning, the heat is supplied with the spraying room and is toasted paint, and then realized carrying out effective utilization to the heat of combustible element in the waste gas, the energy has also been saved when avoiding causing the pollution to the atmosphere, the environmental protection effect in spraying room has been promoted, concrete stronger reliability.
In particular, the combustion assembly 8 comprises a combustion member 81 connected to the storage assembly 3 by a conduit, a fuel tank 82 connected to the combustion member 81, and a heat-conducting member 83 connected to the combustion member 81 and communicating with the painting booth 6.
It can be known that, be convenient for carry out the burning processing to the inside VOCs of storage assembly 3 through setting up combustion assembly 8, utilize fuel tank 82 to be convenient for supplementary VOCs's burning, be convenient for carry the produced heat of burning inside spray booth 6 through setting up heat-conducting piece 83, then be used for heating and baking paint, and then realized VOCs's collection and recycle.
Furthermore, the spraying room further comprises an electric control system 9 arranged on the membrane cylinder chamber 7, an exhaust flue 10 arranged at the top of the membrane cylinder chamber 7 and an air inlet fan communicated with the top of the spraying chamber 6, and the membrane cylinder assemblies 2 are provided with a plurality of groups.
It should be noted that the electric control system 9 is arranged to facilitate electric driving of the collecting device inside the membrane cylinder chamber 7, and the air intake fan is utilized to facilitate air compression to enter the spraying room. The waste gas in the paint spraying chamber 6 is conveniently led into the film cylinder chamber 7 which is communicated with the paint spraying chamber 6 in an air flow way, and then is conveyed by the air guide assembly 1; the arrangement of the exhaust flue 10 is convenient for the centralized discharge of the clean air treated in the membrane cylinder chamber 7; at the inside multiunit membrane cylinder subassembly 2 that sets up of membrane cylinder room 7, be convenient for carry out the processing of multiunit waste gas simultaneously, and then promoted the exhaust-gas treatment efficiency in spraying room, both intercombination have promoted the reliability of device.
Illustratively, the combustion member 81 may be a burner or a combustion furnace, and the temperature may reach 800 ℃ and 700 ℃. The burner is equipped with a fuel tank 82 so that the fuel in the fuel tank 82 can be used as the main fuel and the VOCs in the storage assembly 3 can be used as the auxiliary fuel to jointly act on the baking temperature rise of the spray booth.
The embodiment of the invention provides a spraying room, which combines a VOCs collecting device with the spraying room, so that VOCs generated in the spraying process can be collected and concentrated conveniently, air pollution is prevented, and harm to human bodies is avoided; utilize the VOCs of storage in the storage subassembly 3 simultaneously, be convenient for when the spraying operation need toast paint, VOCs in the storage subassembly 3 passes through inside the pipeline carries combustion assembly 8, then utilize combustion assembly 8 to decompose the VOCs burning, the heat is supplied with the spraying room and is toasted paint, and then realized carrying out effective utilization to the heat of combustible element in the waste gas, the energy has also been saved when avoiding causing the pollution to the atmosphere, the environmental protection effect in spraying room has been promoted, concrete stronger reliability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The membrane cylinder VOCs collecting device is characterized by comprising an air guide assembly (1), membrane cylinder assemblies (2) which are connected to the air guide assembly (1) in pairs and used for separating VOCs in waste gas, a storage assembly (3) which is connected with one end of each membrane cylinder assembly (2) through an air guide pipe, a transfer assembly (4) which is installed on each membrane cylinder assembly (2) and used for transferring VOCs inside each membrane cylinder assembly (2) to the storage assembly (3), and a control assembly (5) which is used for controlling each membrane cylinder assembly (2) to be intermittently communicated with the air guide assembly (1) or the storage assembly (3) so as to realize that the paired membrane cylinder assemblies (2) alternately filter and transfer VOCs.
2. The membrane cylinder VOCs collection device of claim 1, wherein the membrane cylinder assembly (2) comprises a filter member (21) provided with a plurality of micropores, an outer cylinder body (22) and an inner cylinder body (23) respectively installed at the outer side and the inner side of the filter member (21), and sealing caps sleeved at both ends of the outer cylinder body (22), the air duct is connected with the sealing cap at one end of the outer cylinder body (22), the outer cylinder body (22) and the inner cylinder body (23) are respectively provided with a plurality of air vents, the diameters of the air vents are larger than the diameters of VOCs molecules, and the diameters of the micropores are larger than the diameters of air molecules and smaller than the diameters of the VOCs molecules.
3. A membrane cylinder VOCs collection apparatus as claimed in claim 2 wherein said outer cylinder (22) and inner cylinder (23) are each configured as a cylindrical structure and said membrane cylinder assembly (2) is configured as a cylindrical shape.
4. A membrane cylinder VOCs collection apparatus as claimed in claim 2, wherein said transfer assembly (4) comprises a transfer member (41) slidably mounted within said inner cylinder (23) and a driving member (42) connected to a top portion of said transfer member (41) for moving said transfer member (41) axially along said inner cylinder (23).
5. The membrane cylinder VOCs collection device of claim 2, wherein the air guide assembly (1) comprises an air guide (11) and an exhaust pipe (12) connected to the air guide (11), and one end of the exhaust pipe (12) far away from the air guide (11) is connected to the inside of the inner cylinder (23) in a penetrating manner.
6. A membrane cylinder VOCs collection device according to claim 5, wherein the storage assembly (3) comprises: the membrane cylinder assembly comprises a first air storage tank (31) connected with one end sealing cover of the membrane cylinder assembly (2) through an air duct, a compression piece (32) connected with the first air storage tank (31), and a second air storage tank (33) communicated with the compression piece (32).
7. A membrane cylinder VOCs collection device according to claim 6, wherein the control assembly (5) comprises a first control valve (51) mounted to the exhaust pipe (12) and a second control valve (52) mounted to the air duct between the closure cap and the first air reservoir (31).
8. A painting booth using a collecting device according to any one of claims 1 to 7, comprising a painting booth (6), a membrane cylinder chamber (7) in air flow communication with the painting booth (6) for mounting a membrane cylinder VOCs collecting device, and a combustion assembly (8) connected to the storage assembly (3) and in communication with the painting booth (6).
9. A painting booth according to claim 8, characterized in that said combustion assembly (8) comprises a combustion member (81) connected to said storage assembly (3) by means of a conduit, a fuel tank (82) connected to said combustion member (81), and a heat-conducting member (83) connected to said combustion member (81) and communicating with said painting booth (6).
10. The painting booth according to claim 8, wherein the painting booth further comprises an electric control system (9) installed in the membrane cylinder chamber (7), an exhaust flue (10) arranged at the top of the membrane cylinder chamber (7), and an air intake fan communicated with the top of the painting booth (6), and the membrane cylinder assemblies (2) are provided in multiple groups.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210590862.9A CN114904371B (en) | 2022-05-27 | 2022-05-27 | Film jar VOCs collection device and use its spraying room |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210590862.9A CN114904371B (en) | 2022-05-27 | 2022-05-27 | Film jar VOCs collection device and use its spraying room |
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| CN114904371A true CN114904371A (en) | 2022-08-16 |
| CN114904371B CN114904371B (en) | 2023-11-24 |
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| US20040103782A1 (en) * | 2002-12-02 | 2004-06-03 | L'air Liquide Socie | Methane recovery process |
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| CN205948596U (en) * | 2016-08-06 | 2017-02-15 | 汕头市雅丽环保包装印刷有限公司 | Package printing industry VOCS exhaust treatment device |
| WO2021000621A1 (en) * | 2019-07-04 | 2021-01-07 | 广东澄宇实业有限公司 | Voc waste gas treatment and purification device and baking finish house provided with same |
| CN215388600U (en) * | 2021-05-17 | 2022-01-04 | 东营石大胜华新材料有限公司 | Device for reducing VOCs discharge of ethyl methyl carbonate device |
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2022
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040103782A1 (en) * | 2002-12-02 | 2004-06-03 | L'air Liquide Socie | Methane recovery process |
| CN205796930U (en) * | 2016-03-18 | 2016-12-14 | 北京沃太斯环保科技发展有限公司 | A kind of bio-absorbable and the device of membrance separation combined treatment VOCs class waste gas |
| CN205948596U (en) * | 2016-08-06 | 2017-02-15 | 汕头市雅丽环保包装印刷有限公司 | Package printing industry VOCS exhaust treatment device |
| WO2021000621A1 (en) * | 2019-07-04 | 2021-01-07 | 广东澄宇实业有限公司 | Voc waste gas treatment and purification device and baking finish house provided with same |
| CN215388600U (en) * | 2021-05-17 | 2022-01-04 | 东营石大胜华新材料有限公司 | Device for reducing VOCs discharge of ethyl methyl carbonate device |
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| CN114904371B (en) | 2023-11-24 |
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